# Marsden Tromba Vector Calculus 6th

Calculus — from Wolfram MathWorld In general, "a" calculus is an abstract theory developed in a purely formal way. "The" calculus, more properly called analysis (or real analysis or, in older … Preview Lagrange’s Identity — from Wolfram MathWorld (MitrinoviÄ‡ 1970, p. 41; Marsden and Tromba 1981, p. 57; Gradshteyn and Ryzhik 2000, p. 1049). […]